CA169040A - Telephone switching machine - Google Patents

Telephone switching machine

Info

Publication number
CA169040A
CA169040A CA000169040A CA169040DA CA169040A CA 169040 A CA169040 A CA 169040A CA 000169040 A CA000169040 A CA 000169040A CA 169040D A CA169040D A CA 169040DA CA 169040 A CA169040 A CA 169040A
Authority
CA
Canada
Prior art keywords
telephone switching
switching machine
machine
telephone
switching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000169040A
Other languages
French (fr)
Inventor
William H. Matthies
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA169040A publication Critical patent/CA169040A/en
Expired legal-status Critical Current

Links

CA000169040A 1915-04-10 1915-04-10 Telephone switching machine Expired CA169040A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA169040T 1915-04-10

Publications (1)

Publication Number Publication Date
CA169040A true CA169040A (en) 1916-04-25

Family

ID=45288704

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000169040A Expired CA169040A (en) 1915-04-10 1915-04-10 Telephone switching machine

Country Status (1)

Country Link
CA (1) CA169040A (en)

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